Multiple vulnerabilities in VMware vCenter Server



| Updated: 2022-12-13
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-31698
CVE-2022-31697
CWE-ID CWE-20
CWE-532
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 vCenter Server
Server applications / Virtualization software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU70080

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2022-31698

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the content library service when handling HTTP headers. A remote attacker can send a specially crafted HTTP request to port 443/tcp and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

vCenter Server: 6.5 U1 - 7.0.0

CPE2.3 External links

https://www.vmware.com/security/advisories/VMSA-2022-0030.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Inclusion of Sensitive Information in Log Files

EUVDB-ID: #VU70079

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-31697

CWE-ID: CWE-532 - Information Exposure Through Log Files

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to software stores credentials in plain text into log files. A local user with access to a workstation that invoked a vCenter Server Appliance ISO operation (Install/Upgrade/Migrate/Restore) can access plaintext passwords used during that operation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

vCenter Server: 6.5 U1 - 7.0.0

CPE2.3 External links

https://www.vmware.com/security/advisories/VMSA-2022-0030.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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